import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  withCredentials: true, // send cookies when cross-domain requests
  timeout: 10000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
      config.headers['Authorization'] = store.getters.token
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    let token = response.headers['authorization']
    if (token) {
        // 如果 header 中存在 token，那么触发 refreshToken 方法，替换本地的 token
        store.dispatch('user/token', token)
    }

    // if the custom code is not 20000, it is judged as an error.



    if (res.errcode !== 0) {
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.errcode === 508 || res.errcode === 512 || res.errcode === 514 || res.errcode === 401) {
        // to re-login
        MessageBox.confirm('请重新登录？', '提示', {
          confirmButtonText: '确定',
          type: 'error'
        }).then(() => {
            store.dispatch('user/resetToken').then(() => {
              location.reload()
            })
        }).catch(() => {  
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })    
        });
        return
      }
      return res
    } else {
      return res
    }
  },
  error => {
    Message.error("请重新登录");
    // setTimeout(()=>{
    //   store.dispatch('user/resetToken').then(() => {
    //     location.reload()
    //   }) 
    // },500)
    
    // console.log(error) // for debug
    // Message({
    //   message: error.message,
    //   type: 'error',
    //   duration: 5 * 1000
    // })
    
    return Promise.reject(error)
  }
)

export default service
